Commercially available

• MORyelrug
• Rustica 91
• Rustica II
• Yellow Dagmar Hastrup

66 favorite votes.  
Average rating: EXCELLENT-.  

Medium yellow Hybrid Rugosa.
Registration name: MORyelrug
Exhibition name: Topaz Jewel

Bred by Ralph S. Moore (United States, 1987).
Introduced in France by Meilland International (after 1997) as 'Rustica II'.
Introduced in United States by Moore Miniature Roses in 1987.
Introduced in United States by Wayside Gardens in 1987.

Hybrid Rugosa, Shrub.  

Butter-yellow, ages to cream .  Strong, fruity fragrance.  20 to 30 petals.  Average diameter 3.5".  Medium to large, double (17-25 petals), borne mostly solitary, cluster-flowered, in small clusters, cupped, reflexed bloom form.  Blooms in flushes throughout the season.  Large, pointed buds.  

Medium, armed with thorns / prickles, bushy, compact, rounded, spreading, upright, well-branched.  Large, matte, medium green, wrinkled (rugose) foliage.  

Height: 2' to 5' (60 to 150cm).  Width: up to 7' (up to 215cm).

USDA zone 4b through 8b.  Can be used for cut flower, garden, landscape or shrub.  Hardy.  vigorous.  shade tolerant.  Disease susceptibility: blackspot resistant.  

United States - Patent No: PP 6,793  on  9 May 1989   VIEW USPTO PATENT
Application  on  7 Dec 1987

Diploid

Corn Hill Nursery says this is one of the few repeating yellows that will grow in colder climates. The semi-double lemon yellow blossoms are loose and blowsy with a pleasing fragrance...

According to the New Zealand Plant Variety Rights (PVR) web page, application for a PVR Grant for this rose was made November 17, 1993 and granted August 30, 1995 (PVR Grant No. 1021). The breeder's Reference for this rose is Moryelrug. The New Zealand Trade Name is 'Topaz Jewel'. This PVR Grant expires August 30, 2018.

Does not set hips.